urllib3 Library up to 1.26.3 on Python certificate validation

CVSS Meta Temp Score
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CTI Interest Score
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5.0$0-$5k0.00

Summaryinfo

A vulnerability was found in urllib3 Library up to 1.26.3 on Python. It has been rated as critical. This affects an unknown function. The manipulation leads to certificate validation. This vulnerability is documented as CVE-2021-28363. The attack can be initiated remotely. There is not any exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in urllib3 Library up to 1.26.3 on Python (Software Library) and classified as problematic. This issue affects an unknown function. The manipulation with an unknown input leads to a certificate validation vulnerability. Using CWE to declare the problem leads to CWE-295. The product does not validate, or incorrectly validates, a certificate. Impacted is confidentiality.

The weakness was released 03/16/2021. It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2021-28363. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1587.003 according to MITRE ATT&CK.

Upgrading to version 1.26.4 eliminates this vulnerability. The upgrade is hosted for download at pypi.org. Applying a patch is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

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Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.1
VulDB Meta Temp Score: 5.0

VulDB Base Score: 3.7
VulDB Temp Score: 3.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Certificate validation
CWE: CWE-295 / CWE-287
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: urllib3 Library 1.26.4
Patch: github.com

Timelineinfo

03/13/2021 🔍
03/16/2021 +3 days 🔍
03/16/2021 +0 days 🔍
06/22/2024 +1194 days 🔍

Sourcesinfo

Advisory: github.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2021-28363 (🔍)
GCVE (CVE): GCVE-0-2021-28363
GCVE (VulDB): GCVE-100-171311

Entryinfo

Created: 03/16/2021 11:08
Updated: 06/22/2024 10:47
Changes: 03/16/2021 11:08 (40), 04/01/2021 20:54 (6), 04/01/2021 21:00 (18), 06/22/2024 10:47 (17)
Complete: 🔍
Cache ID: 216::103

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